libpurple/pounce.c

   1 /* purple
   2  *
   3  * Purple is the legal property of its developers, whose names are too numerous
   4  * to list here.  Please refer to the COPYRIGHT file distributed with this
   5  * source distribution.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  20  */
  21 #include "internal.h"
  22 #include "conversation.h"
  23 #include "debug.h"
  24 #include "pounce.h"
  25
  26 #include "debug.h"
  27 #include "pounce.h"
  28 #include "util.h"
  29
  30 /*
  31  * A buddy pounce structure.
  32  *
  33  * Buddy pounces are actions triggered by a buddy-related event. For
  34  * example, a sound can be played or an IM window opened when a buddy
  35  * signs on or returns from away. Such responses are handled in the
  36  * UI. The events themselves are done in the core.
  37  */
  38 struct _PurplePounce
  39 {
  40         char *ui_type;                /* The type of UI.            */
  41
  42         PurplePounceEvent events;     /* The event(s) to pounce on. */
  43         PurplePounceOption options;   /* The pounce options         */
  44         PurpleAccount *pouncer;       /* The user who is pouncing.  */
  45
  46         char *pouncee;                /* The buddy to pounce on.    */
  47
  48         GHashTable *actions;          /* The registered actions.    */
  49
  50         gboolean save;                /* Whether or not the pounce should
  51                                            be saved after activation. */
  52         void *data;                   /* Pounce-specific data.      */
  53 };
  54
  55 typedef struct
  56 {
  57         GString *buffer;
  58
  59         PurplePounce *pounce;
  60         PurplePounceEvent events;
  61         PurplePounceOption options;
  62
  63         char *ui_name;
  64         char *pouncee;
  65         char *protocol_id;
  66         char *event_type;
  67         char *option_type;
  68         char *action_name;
  69         char *param_name;
  70         char *account_name;
  71
  72 } PounceParserData;
  73
  74 typedef struct
  75 {
  76         char *name;
  77
  78         gboolean enabled;
  79
  80         GHashTable *atts;
  81
  82 } PurplePounceActionData;
  83
  84 typedef struct
  85 {
  86         char *ui;
  87         PurplePounceCb cb;
  88         void (*new_pounce)(PurplePounce *);
  89         void (*free_pounce)(PurplePounce *);
  90
  91 } PurplePounceHandler;
  92
  93
  94 static GHashTable *pounce_handlers = NULL;
  95 static GList      *pounces = NULL;
  96 static guint       save_timer = 0;
  97 static gboolean    pounces_loaded = FALSE;
  98
  99
 100 /*********************************************************************
 101  * Private utility functions                                         *
 102  *********************************************************************/
 103
 104 static PurplePounceActionData *
 105 find_action_data(const PurplePounce *pounce, const char *name)
 106 {
 107         PurplePounceActionData *action;
 108
 109         g_return_val_if_fail(pounce != NULL, NULL);
 110         g_return_val_if_fail(name   != NULL, NULL);
 111
 112         action = g_hash_table_lookup(pounce->actions, name);
 113
 114         return action;
 115 }
 116
 117 static void
 118 free_action_data(gpointer data)
 119 {
 120         PurplePounceActionData *action_data = data;
 121
 122         g_free(action_data->name);
 123
 124         g_hash_table_destroy(action_data->atts);
 125
 126         g_free(action_data);
 127 }
 128
 129
 130 /*********************************************************************
 131  * Writing to disk                                                   *
 132  *********************************************************************/
 133
 134 static void
 135 action_parameter_to_xmlnode(gpointer key, gpointer value, gpointer user_data)
 136 {
 137         const char *name, *param_value;
 138         PurpleXmlNode *node, *child;
 139
 140         name        = (const char *)key;
 141         param_value = (const char *)value;
 142         node        = (PurpleXmlNode *)user_data;
 143
 144         child = purple_xmlnode_new_child(node, "param");
 145         purple_xmlnode_set_attrib(child, "name", name);
 146         purple_xmlnode_insert_data(child, param_value, -1);
 147 }
 148
 149 static void
 150 action_parameter_list_to_xmlnode(gpointer key, gpointer value, gpointer user_data)
 151 {
 152         const char *action;
 153         PurplePounceActionData *action_data;
 154         PurpleXmlNode *node, *child;
 155
 156         action      = (const char *)key;
 157         action_data = (PurplePounceActionData *)value;
 158         node        = (PurpleXmlNode *)user_data;
 159
 160         if (!action_data->enabled)
 161                 return;
 162
 163         child = purple_xmlnode_new_child(node, "action");
 164         purple_xmlnode_set_attrib(child, "type", action);
 165
 166         g_hash_table_foreach(action_data->atts, action_parameter_to_xmlnode, child);
 167 }
 168
 169 static void
 170 add_event_to_xmlnode(PurpleXmlNode *node, const char *type)
 171 {
 172         PurpleXmlNode *child;
 173
 174         child = purple_xmlnode_new_child(node, "event");
 175         purple_xmlnode_set_attrib(child, "type", type);
 176 }
 177
 178 static void
 179 add_option_to_xmlnode(PurpleXmlNode *node, const char *type)
 180 {
 181         PurpleXmlNode *child;
 182
 183         child = purple_xmlnode_new_child(node, "option");
 184         purple_xmlnode_set_attrib(child, "type", type);
 185 }
 186
 187 static PurpleXmlNode *
 188 pounce_to_xmlnode(PurplePounce *pounce)
 189 {
 190         PurpleXmlNode *node, *child;
 191         PurpleAccount *pouncer;
 192         PurplePounceEvent events;
 193         PurplePounceOption options;
 194
 195         pouncer = purple_pounce_get_pouncer(pounce);
 196         events  = purple_pounce_get_events(pounce);
 197         options = purple_pounce_get_options(pounce);
 198
 199         node = purple_xmlnode_new("pounce");
 200         purple_xmlnode_set_attrib(node, "ui", pounce->ui_type);
 201
 202         child = purple_xmlnode_new_child(node, "account");
 203         purple_xmlnode_set_attrib(child, "protocol", purple_account_get_protocol_id(pouncer));
 204         purple_xmlnode_insert_data(child,
 205                         purple_normalize(pouncer, purple_account_get_username(pouncer)), -1);
 206
 207         child = purple_xmlnode_new_child(node, "pouncee");
 208         purple_xmlnode_insert_data(child, purple_pounce_get_pouncee(pounce), -1);
 209
 210         /* Write pounce options */
 211         child = purple_xmlnode_new_child(node, "options");
 212         if (options & PURPLE_POUNCE_OPTION_AWAY)
 213                 add_option_to_xmlnode(child, "on-away");
 214
 215         /* Write pounce events */
 216         child = purple_xmlnode_new_child(node, "events");
 217         if (events & PURPLE_POUNCE_SIGNON)
 218                 add_event_to_xmlnode(child, "sign-on");
 219         if (events & PURPLE_POUNCE_SIGNOFF)
 220                 add_event_to_xmlnode(child, "sign-off");
 221         if (events & PURPLE_POUNCE_AWAY)
 222                 add_event_to_xmlnode(child, "away");
 223         if (events & PURPLE_POUNCE_AWAY_RETURN)
 224                 add_event_to_xmlnode(child, "return-from-away");
 225         if (events & PURPLE_POUNCE_IDLE)
 226                 add_event_to_xmlnode(child, "idle");
 227         if (events & PURPLE_POUNCE_IDLE_RETURN)
 228                 add_event_to_xmlnode(child, "return-from-idle");
 229         if (events & PURPLE_POUNCE_TYPING)
 230                 add_event_to_xmlnode(child, "start-typing");
 231         if (events & PURPLE_POUNCE_TYPED)
 232                 add_event_to_xmlnode(child, "typed");
 233         if (events & PURPLE_POUNCE_TYPING_STOPPED)
 234                 add_event_to_xmlnode(child, "stop-typing");
 235         if (events & PURPLE_POUNCE_MESSAGE_RECEIVED)
 236                 add_event_to_xmlnode(child, "message-received");
 237
 238         /* Write pounce actions */
 239         child = purple_xmlnode_new_child(node, "actions");
 240         g_hash_table_foreach(pounce->actions, action_parameter_list_to_xmlnode, child);
 241
 242         if (purple_pounce_get_save(pounce))
 243                 purple_xmlnode_new_child(node, "save");
 244
 245         return node;
 246 }
 247
 248 static PurpleXmlNode *
 249 pounces_to_xmlnode(void)
 250 {
 251         PurpleXmlNode *node, *child;
 252         GList *cur;
 253
 254         node = purple_xmlnode_new("pounces");
 255         purple_xmlnode_set_attrib(node, "version", "1.0");
 256
 257         for (cur = purple_pounces_get_all(); cur != NULL; cur = cur->next)
 258         {
 259                 child = pounce_to_xmlnode(cur->data);
 260                 purple_xmlnode_insert_child(node, child);
 261         }
 262
 263         return node;
 264 }
 265
 266 static void
 267 sync_pounces(void)
 268 {
 269         PurpleXmlNode *node;
 270         char *data;
 271
 272         if (!pounces_loaded)
 273         {
 274                 purple_debug_error("pounce", "Attempted to save buddy pounces before "
 275                                                  "they were read!\n");
 276                 return;
 277         }
 278
 279         node = pounces_to_xmlnode();
 280         data = purple_xmlnode_to_formatted_str(node, NULL);
 281         purple_util_write_data_to_file("pounces.xml", data, -1);
 282         g_free(data);
 283         purple_xmlnode_free(node);
 284 }
 285
 286 static gboolean
 287 save_cb(gpointer data)
 288 {
 289         sync_pounces();
 290         save_timer = 0;
 291         return FALSE;
 292 }
 293
 294 static void
 295 schedule_pounces_save(void)
 296 {
 297         if (save_timer == 0)
 298                 save_timer = purple_timeout_add_seconds(5, save_cb, NULL);
 299 }
 300
 301
 302 /*********************************************************************
 303  * Reading from disk                                                 *
 304  *********************************************************************/
 305
 306 static void
 307 free_parser_data(gpointer user_data)
 308 {
 309         PounceParserData *data = user_data;
 310
 311         if (data->buffer != NULL)
 312                 g_string_free(data->buffer, TRUE);
 313
 314         g_free(data->ui_name);
 315         g_free(data->pouncee);
 316         g_free(data->protocol_id);
 317         g_free(data->event_type);
 318         g_free(data->option_type);
 319         g_free(data->action_name);
 320         g_free(data->param_name);
 321         g_free(data->account_name);
 322
 323         g_free(data);
 324 }
 325
 326 static void
 327 start_element_handler(GMarkupParseContext *context,
 328                                           const gchar *element_name,
 329                                           const gchar **attribute_names,
 330                                           const gchar **attribute_values,
 331                                           gpointer user_data, GError **error)
 332 {
 333         PounceParserData *data = user_data;
 334         GHashTable *atts;
 335         int i;
 336
 337         atts = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
 338
 339         for (i = 0; attribute_names[i] != NULL; i++) {
 340                 g_hash_table_insert(atts, g_strdup(attribute_names[i]),
 341                                                         g_strdup(attribute_values[i]));
 342         }
 343
 344         if (data->buffer != NULL) {
 345                 g_string_free(data->buffer, TRUE);
 346                 data->buffer = NULL;
 347         }
 348
 349         if (purple_strequal(element_name, "pounce")) {
 350                 const char *ui = g_hash_table_lookup(atts, "ui");
 351
 352                 if (ui == NULL) {
 353                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 354                                            "Unset 'ui' parameter for pounce!\n");
 355                 }
 356                 else
 357                         data->ui_name = g_strdup(ui);
 358
 359                 data->events = 0;
 360         }
 361         else if (purple_strequal(element_name, "account")) {
 362                 const char *protocol_id = g_hash_table_lookup(atts, "protocol");
 363
 364                 if (protocol_id == NULL) {
 365                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 366                                            "Unset 'protocol' parameter for account!\n");
 367                 }
 368                 else
 369                         data->protocol_id = g_strdup(protocol_id);
 370         }
 371         else if (purple_strequal(element_name, "option")) {
 372                 const char *type = g_hash_table_lookup(atts, "type");
 373
 374                 if (type == NULL) {
 375                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 376                                            "Unset 'type' parameter for option!\n");
 377                 }
 378                 else
 379                         data->option_type = g_strdup(type);
 380         }
 381         else if (purple_strequal(element_name, "event")) {
 382                 const char *type = g_hash_table_lookup(atts, "type");
 383
 384                 if (type == NULL) {
 385                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 386                                            "Unset 'type' parameter for event!\n");
 387                 }
 388                 else
 389                         data->event_type = g_strdup(type);
 390         }
 391         else if (purple_strequal(element_name, "action")) {
 392                 const char *type = g_hash_table_lookup(atts, "type");
 393
 394                 if (type == NULL) {
 395                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 396                                            "Unset 'type' parameter for action!\n");
 397                 }
 398                 else
 399                         data->action_name = g_strdup(type);
 400         }
 401         else if (purple_strequal(element_name, "param")) {
 402                 const char *param_name = g_hash_table_lookup(atts, "name");
 403
 404                 if (param_name == NULL) {
 405                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 406                                            "Unset 'name' parameter for param!\n");
 407                 }
 408                 else
 409                         data->param_name = g_strdup(param_name);
 410         }
 411
 412         g_hash_table_destroy(atts);
 413 }
 414
 415 static void
 416 end_element_handler(GMarkupParseContext *context, const gchar *element_name,
 417                                         gpointer user_data,  GError **error)
 418 {
 419         PounceParserData *data = user_data;
 420         gchar *buffer = NULL;
 421
 422         if (data->buffer != NULL) {
 423                 buffer = g_string_free(data->buffer, FALSE);
 424                 data->buffer = NULL;
 425         }
 426
 427         if (purple_strequal(element_name, "account")) {
 428                 g_free(data->account_name);
 429                 data->account_name = g_strdup(buffer);
 430         }
 431         else if (purple_strequal(element_name, "pouncee")) {
 432                 g_free(data->pouncee);
 433                 data->pouncee = g_strdup(buffer);
 434         }
 435         else if (purple_strequal(element_name, "option")) {
 436                 if (purple_strequal(data->option_type, "on-away"))
 437                         data->options |= PURPLE_POUNCE_OPTION_AWAY;
 438
 439                 g_free(data->option_type);
 440                 data->option_type = NULL;
 441         }
 442         else if (purple_strequal(element_name, "event")) {
 443                 if (purple_strequal(data->event_type, "sign-on"))
 444                         data->events |= PURPLE_POUNCE_SIGNON;
 445                 else if (purple_strequal(data->event_type, "sign-off"))
 446                         data->events |= PURPLE_POUNCE_SIGNOFF;
 447                 else if (purple_strequal(data->event_type, "away"))
 448                         data->events |= PURPLE_POUNCE_AWAY;
 449                 else if (purple_strequal(data->event_type, "return-from-away"))
 450                         data->events |= PURPLE_POUNCE_AWAY_RETURN;
 451                 else if (purple_strequal(data->event_type, "idle"))
 452                         data->events |= PURPLE_POUNCE_IDLE;
 453                 else if (purple_strequal(data->event_type, "return-from-idle"))
 454                         data->events |= PURPLE_POUNCE_IDLE_RETURN;
 455                 else if (purple_strequal(data->event_type, "start-typing"))
 456                         data->events |= PURPLE_POUNCE_TYPING;
 457                 else if (purple_strequal(data->event_type, "typed"))
 458                         data->events |= PURPLE_POUNCE_TYPED;
 459                 else if (purple_strequal(data->event_type, "stop-typing"))
 460                         data->events |= PURPLE_POUNCE_TYPING_STOPPED;
 461                 else if (purple_strequal(data->event_type, "message-received"))
 462                         data->events |= PURPLE_POUNCE_MESSAGE_RECEIVED;
 463
 464                 g_free(data->event_type);
 465                 data->event_type = NULL;
 466         }
 467         else if (purple_strequal(element_name, "action")) {
 468                 if (data->pounce != NULL) {
 469                         purple_pounce_action_register(data->pounce, data->action_name);
 470                         purple_pounce_action_set_enabled(data->pounce, data->action_name, TRUE);
 471                 }
 472
 473                 g_free(data->action_name);
 474                 data->action_name = NULL;
 475         }
 476         else if (purple_strequal(element_name, "param")) {
 477                 if (data->pounce != NULL) {
 478                         purple_pounce_action_set_attribute(data->pounce, data->action_name,
 479                                                                                          data->param_name, buffer);
 480                 }
 481
 482                 g_free(data->param_name);
 483                 data->param_name = NULL;
 484         }
 485         else if (purple_strequal(element_name, "events")) {
 486                 PurpleAccount *account;
 487
 488                 account = purple_accounts_find(data->account_name, data->protocol_id);
 489
 490                 g_free(data->account_name);
 491                 g_free(data->protocol_id);
 492
 493                 data->account_name = NULL;
 494                 data->protocol_id  = NULL;
 495
 496                 if (account == NULL) {
 497                         purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 498                                            "Account for pounce not found!\n");
 499                         /*
 500                          * This pounce has effectively been removed, so make
 501                          * sure that we save the changes to pounces.xml
 502                          */
 503                         schedule_pounces_save();
 504                 }
 505                 else {
 506                         purple_debug(PURPLE_DEBUG_INFO, "pounce",
 507                                            "Creating pounce: %s, %s\n", data->ui_name,
 508                                            data->pouncee);
 509
 510                         data->pounce = purple_pounce_new(data->ui_name, account,
 511                                                                                    data->pouncee, data->events,
 512                                                                                    data->options);
 513                 }
 514
 515                 g_free(data->pouncee);
 516                 data->pouncee = NULL;
 517         }
 518         else if (purple_strequal(element_name, "save")) {
 519                 if (data->pounce != NULL)
 520                         purple_pounce_set_save(data->pounce, TRUE);
 521         }
 522         else if (purple_strequal(element_name, "pounce")) {
 523                 data->pounce  = NULL;
 524                 data->events  = 0;
 525                 data->options = 0;
 526
 527                 g_free(data->ui_name);
 528                 g_free(data->pouncee);
 529                 g_free(data->protocol_id);
 530                 g_free(data->event_type);
 531                 g_free(data->option_type);
 532                 g_free(data->action_name);
 533                 g_free(data->param_name);
 534                 g_free(data->account_name);
 535
 536                 data->ui_name      = NULL;
 537                 data->pounce       = NULL;
 538                 data->protocol_id  = NULL;
 539                 data->event_type   = NULL;
 540                 data->option_type  = NULL;
 541                 data->action_name  = NULL;
 542                 data->param_name   = NULL;
 543                 data->account_name = NULL;
 544         }
 545
 546         g_free(buffer);
 547 }
 548
 549 static void
 550 text_handler(GMarkupParseContext *context, const gchar *text,
 551                          gsize text_len, gpointer user_data, GError **error)
 552 {
 553         PounceParserData *data = user_data;
 554
 555         if (data->buffer == NULL)
 556                 data->buffer = g_string_new_len(text, text_len);
 557         else
 558                 g_string_append_len(data->buffer, text, text_len);
 559 }
 560
 561 static GMarkupParser pounces_parser =
 562 {
 563         start_element_handler,
 564         end_element_handler,
 565         text_handler,
 566         NULL,
 567         NULL
 568 };
 569
 570 static gboolean
 571 purple_pounces_load(void)
 572 {
 573         gchar *filename = g_build_filename(purple_user_dir(), "pounces.xml", NULL);
 574         gchar *contents = NULL;
 575         gsize length;
 576         GMarkupParseContext *context;
 577         GError *error = NULL;
 578         PounceParserData *parser_data;
 579
 580         if (filename == NULL) {
 581                 pounces_loaded = TRUE;
 582                 return FALSE;
 583         }
 584
 585         if (!g_file_get_contents(filename, &contents, &length, &error)) {
 586                 purple_debug(PURPLE_DEBUG_ERROR, "pounce",
 587                                    "Error reading pounces: %s\n", error->message);
 588
 589                 g_free(filename);
 590                 g_error_free(error);
 591
 592                 pounces_loaded = TRUE;
 593                 return FALSE;
 594         }
 595
 596         parser_data = g_new0(PounceParserData, 1);
 597
 598         context = g_markup_parse_context_new(&pounces_parser, 0,
 599                                                                                  parser_data, free_parser_data);
 600
 601         if (!g_markup_parse_context_parse(context, contents, length, NULL)) {
 602                 g_markup_parse_context_free(context);
 603                 g_free(contents);
 604                 g_free(filename);
 605
 606                 pounces_loaded = TRUE;
 607
 608                 return FALSE;
 609         }
 610
 611         if (!g_markup_parse_context_end_parse(context, NULL)) {
 612                 purple_debug(PURPLE_DEBUG_ERROR, "pounce", "Error parsing %s\n",
 613                                    filename);
 614
 615                 g_markup_parse_context_free(context);
 616                 g_free(contents);
 617                 g_free(filename);
 618                 pounces_loaded = TRUE;
 619
 620                 return FALSE;
 621         }
 622
 623         g_markup_parse_context_free(context);
 624         g_free(contents);
 625         g_free(filename);
 626
 627         pounces_loaded = TRUE;
 628
 629         return TRUE;
 630 }
 631
 632
 633 PurplePounce *
 634 purple_pounce_new(const char *ui_type, PurpleAccount *pouncer,
 635                                 const char *pouncee, PurplePounceEvent event,
 636                                 PurplePounceOption option)
 637 {
 638         PurplePounce *pounce;
 639         PurplePounceHandler *handler;
 640
 641         g_return_val_if_fail(ui_type != NULL, NULL);
 642         g_return_val_if_fail(pouncer != NULL, NULL);
 643         g_return_val_if_fail(pouncee != NULL, NULL);
 644         g_return_val_if_fail(event   != 0,    NULL);
 645
 646         pounce = g_new0(PurplePounce, 1);
 647
 648         pounce->ui_type  = g_strdup(ui_type);
 649         pounce->pouncer  = pouncer;
 650         pounce->pouncee  = g_strdup(pouncee);
 651         pounce->events   = event;
 652         pounce->options  = option;
 653
 654         pounce->actions  = g_hash_table_new_full(g_str_hash, g_str_equal,
 655                                                                                          g_free, free_action_data);
 656
 657         handler = g_hash_table_lookup(pounce_handlers, pounce->ui_type);
 658
 659         if (handler != NULL && handler->new_pounce != NULL)
 660                 handler->new_pounce(pounce);
 661
 662         pounces = g_list_append(pounces, pounce);
 663
 664         schedule_pounces_save();
 665
 666         return pounce;
 667 }
 668
 669 void
 670 purple_pounce_destroy(PurplePounce *pounce)
 671 {
 672         PurplePounceHandler *handler;
 673
 674         g_return_if_fail(pounce != NULL);
 675
 676         handler = g_hash_table_lookup(pounce_handlers, pounce->ui_type);
 677
 678         pounces = g_list_remove(pounces, pounce);
 679
 680         g_free(pounce->ui_type);
 681         g_free(pounce->pouncee);
 682
 683         g_hash_table_destroy(pounce->actions);
 684
 685         if (handler != NULL && handler->free_pounce != NULL)
 686                 handler->free_pounce(pounce);
 687
 688         g_free(pounce);
 689
 690         schedule_pounces_save();
 691 }
 692
 693 void
 694 purple_pounce_destroy_all_by_account(PurpleAccount *account)
 695 {
 696         PurpleAccount *pouncer;
 697         PurplePounce *pounce;
 698         GList *l, *l_next;
 699
 700         g_return_if_fail(account != NULL);
 701
 702         for (l = purple_pounces_get_all(); l != NULL; l = l_next)
 703         {
 704                 pounce = (PurplePounce *)l->data;
 705                 l_next = l->next;
 706
 707                 pouncer = purple_pounce_get_pouncer(pounce);
 708                 if (pouncer == account)
 709                         purple_pounce_destroy(pounce);
 710         }
 711 }
 712
 713 void
 714 purple_pounce_destroy_all_by_buddy(PurpleBuddy *buddy)
 715 {
 716         const char *pouncee, *bname;
 717         PurpleAccount *pouncer, *bacct;
 718         PurplePounce *pounce;
 719         GList *l, *l_next;
 720
 721         g_return_if_fail(buddy != NULL);
 722
 723         bacct = purple_buddy_get_account(buddy);
 724         bname = purple_buddy_get_name(buddy);
 725
 726         for (l = purple_pounces_get_all(); l != NULL; l = l_next) {
 727                 pounce = (PurplePounce *)l->data;
 728                 l_next = l->next;
 729
 730                 pouncer = purple_pounce_get_pouncer(pounce);
 731                 pouncee = purple_pounce_get_pouncee(pounce);
 732
 733                 if ( (pouncer == bacct) && (purple_strequal(pouncee, bname)) )
 734                         purple_pounce_destroy(pounce);
 735         }
 736 }
 737
 738 void
 739 purple_pounce_set_events(PurplePounce *pounce, PurplePounceEvent events)
 740 {
 741         g_return_if_fail(pounce != NULL);
 742         g_return_if_fail(events != PURPLE_POUNCE_NONE);
 743
 744         pounce->events = events;
 745
 746         schedule_pounces_save();
 747 }
 748
 749 void
 750 purple_pounce_set_options(PurplePounce *pounce, PurplePounceOption options)
 751 {
 752         g_return_if_fail(pounce  != NULL);
 753
 754         pounce->options = options;
 755
 756         schedule_pounces_save();
 757 }
 758
 759 void
 760 purple_pounce_set_pouncer(PurplePounce *pounce, PurpleAccount *pouncer)
 761 {
 762         g_return_if_fail(pounce  != NULL);
 763         g_return_if_fail(pouncer != NULL);
 764
 765         pounce->pouncer = pouncer;
 766
 767         schedule_pounces_save();
 768 }
 769
 770 void
 771 purple_pounce_set_pouncee(PurplePounce *pounce, const char *pouncee)
 772 {
 773         g_return_if_fail(pounce  != NULL);
 774         g_return_if_fail(pouncee != NULL);
 775
 776         g_free(pounce->pouncee);
 777         pounce->pouncee = g_strdup(pouncee);
 778
 779         schedule_pounces_save();
 780 }
 781
 782 void
 783 purple_pounce_set_save(PurplePounce *pounce, gboolean save)
 784 {
 785         g_return_if_fail(pounce != NULL);
 786
 787         pounce->save = save;
 788
 789         schedule_pounces_save();
 790 }
 791
 792 void
 793 purple_pounce_action_register(PurplePounce *pounce, const char *name)
 794 {
 795         PurplePounceActionData *action_data;
 796
 797         g_return_if_fail(pounce != NULL);
 798         g_return_if_fail(name   != NULL);
 799
 800         if (g_hash_table_lookup(pounce->actions, name) != NULL)
 801                 return;
 802
 803         action_data = g_new0(PurplePounceActionData, 1);
 804
 805         action_data->name    = g_strdup(name);
 806         action_data->enabled = FALSE;
 807         action_data->atts    = g_hash_table_new_full(g_str_hash, g_str_equal,
 808                                                                                                  g_free, g_free);
 809
 810         g_hash_table_insert(pounce->actions, g_strdup(name), action_data);
 811
 812         schedule_pounces_save();
 813 }
 814
 815 void
 816 purple_pounce_action_set_enabled(PurplePounce *pounce, const char *action,
 817                                                            gboolean enabled)
 818 {
 819         PurplePounceActionData *action_data;
 820
 821         g_return_if_fail(pounce != NULL);
 822         g_return_if_fail(action != NULL);
 823
 824         action_data = find_action_data(pounce, action);
 825
 826         g_return_if_fail(action_data != NULL);
 827
 828         action_data->enabled = enabled;
 829
 830         schedule_pounces_save();
 831 }
 832
 833 void
 834 purple_pounce_action_set_attribute(PurplePounce *pounce, const char *action,
 835                                                                  const char *attr, const char *value)
 836 {
 837         PurplePounceActionData *action_data;
 838
 839         g_return_if_fail(pounce != NULL);
 840         g_return_if_fail(action != NULL);
 841         g_return_if_fail(attr   != NULL);
 842
 843         action_data = find_action_data(pounce, action);
 844
 845         g_return_if_fail(action_data != NULL);
 846
 847         if (value == NULL)
 848                 g_hash_table_remove(action_data->atts, attr);
 849         else
 850                 g_hash_table_insert(action_data->atts, g_strdup(attr),
 851                                                         g_strdup(value));
 852
 853         schedule_pounces_save();
 854 }
 855
 856 void
 857 purple_pounce_set_data(PurplePounce *pounce, void *data)
 858 {
 859         g_return_if_fail(pounce != NULL);
 860
 861         pounce->data = data;
 862
 863         schedule_pounces_save();
 864 }
 865
 866 PurplePounceEvent
 867 purple_pounce_get_events(const PurplePounce *pounce)
 868 {
 869         g_return_val_if_fail(pounce != NULL, PURPLE_POUNCE_NONE);
 870
 871         return pounce->events;
 872 }
 873
 874 PurplePounceOption
 875 purple_pounce_get_options(const PurplePounce *pounce)
 876 {
 877         g_return_val_if_fail(pounce != NULL, PURPLE_POUNCE_OPTION_NONE);
 878
 879         return pounce->options;
 880 }
 881
 882 PurpleAccount *
 883 purple_pounce_get_pouncer(const PurplePounce *pounce)
 884 {
 885         g_return_val_if_fail(pounce != NULL, NULL);
 886
 887         return pounce->pouncer;
 888 }
 889
 890 const char *
 891 purple_pounce_get_pouncee(const PurplePounce *pounce)
 892 {
 893         g_return_val_if_fail(pounce != NULL, NULL);
 894
 895         return pounce->pouncee;
 896 }
 897
 898 gboolean
 899 purple_pounce_get_save(const PurplePounce *pounce)
 900 {
 901         g_return_val_if_fail(pounce != NULL, FALSE);
 902
 903         return pounce->save;
 904 }
 905
 906 gboolean
 907 purple_pounce_action_is_enabled(const PurplePounce *pounce, const char *action)
 908 {
 909         PurplePounceActionData *action_data;
 910
 911         g_return_val_if_fail(pounce != NULL, FALSE);
 912         g_return_val_if_fail(action != NULL, FALSE);
 913
 914         action_data = find_action_data(pounce, action);
 915
 916         g_return_val_if_fail(action_data != NULL, FALSE);
 917
 918         return action_data->enabled;
 919 }
 920
 921 const char *
 922 purple_pounce_action_get_attribute(const PurplePounce *pounce,
 923                                                                  const char *action, const char *attr)
 924 {
 925         PurplePounceActionData *action_data;
 926
 927         g_return_val_if_fail(pounce != NULL, NULL);
 928         g_return_val_if_fail(action != NULL, NULL);
 929         g_return_val_if_fail(attr   != NULL, NULL);
 930
 931         action_data = find_action_data(pounce, action);
 932
 933         g_return_val_if_fail(action_data != NULL, NULL);
 934
 935         return g_hash_table_lookup(action_data->atts, attr);
 936 }
 937
 938 void *
 939 purple_pounce_get_data(const PurplePounce *pounce)
 940 {
 941         g_return_val_if_fail(pounce != NULL, NULL);
 942
 943         return pounce->data;
 944 }
 945
 946 void
 947 purple_pounce_execute(const PurpleAccount *pouncer, const char *pouncee,
 948                                         PurplePounceEvent events)
 949 {
 950         PurplePounce *pounce;
 951         PurplePounceHandler *handler;
 952         PurplePresence *presence;
 953         GList *l, *l_next;
 954         char *norm_pouncee;
 955
 956         g_return_if_fail(pouncer != NULL);
 957         g_return_if_fail(pouncee != NULL);
 958         g_return_if_fail(events  != PURPLE_POUNCE_NONE);
 959
 960         norm_pouncee = g_strdup(purple_normalize(pouncer, pouncee));
 961
 962         for (l = purple_pounces_get_all(); l != NULL; l = l_next)
 963         {
 964                 pounce = (PurplePounce *)l->data;
 965                 l_next = l->next;
 966
 967                 presence = purple_account_get_presence(pouncer);
 968
 969                 if ((purple_pounce_get_events(pounce) & events) &&
 970                         (purple_pounce_get_pouncer(pounce) == pouncer) &&
 971                         !purple_utf8_strcasecmp(purple_normalize(pouncer, purple_pounce_get_pouncee(pounce)),
 972                                                                   norm_pouncee) &&
 973                         (pounce->options == PURPLE_POUNCE_OPTION_NONE ||
 974                          (pounce->options & PURPLE_POUNCE_OPTION_AWAY &&
 975                           !purple_presence_is_available(presence))))
 976                 {
 977                         handler = g_hash_table_lookup(pounce_handlers, pounce->ui_type);
 978
 979                         if (handler != NULL && handler->cb != NULL)
 980                         {
 981                                 handler->cb(pounce, events, purple_pounce_get_data(pounce));
 982
 983                                 if (!purple_pounce_get_save(pounce))
 984                                         purple_pounce_destroy(pounce);
 985                         }
 986                 }
 987         }
 988
 989         g_free(norm_pouncee);
 990 }
 991
 992 PurplePounce *
 993 purple_find_pounce(const PurpleAccount *pouncer, const char *pouncee,
 994                                  PurplePounceEvent events)
 995 {
 996         PurplePounce *pounce = NULL;
 997         GList *l;
 998         char *norm_pouncee;
 999
1000         g_return_val_if_fail(pouncer != NULL, NULL);
1001         g_return_val_if_fail(pouncee != NULL, NULL);
1002         g_return_val_if_fail(events  != PURPLE_POUNCE_NONE, NULL);
1003
1004         norm_pouncee = g_strdup(purple_normalize(pouncer, pouncee));
1005
1006         for (l = purple_pounces_get_all(); l != NULL; l = l->next)
1007         {
1008                 pounce = (PurplePounce *)l->data;
1009
1010                 if ((purple_pounce_get_events(pounce) & events) &&
1011                         (purple_pounce_get_pouncer(pounce) == pouncer) &&
1012                         !purple_utf8_strcasecmp(purple_normalize(pouncer, purple_pounce_get_pouncee(pounce)),
1013                                                                   norm_pouncee))
1014                 {
1015                         break;
1016                 }
1017
1018                 pounce = NULL;
1019         }
1020
1021         g_free(norm_pouncee);
1022
1023         return pounce;
1024 }
1025
1026 void
1027 purple_pounces_register_handler(const char *ui, PurplePounceCb cb,
1028                                                           void (*new_pounce)(PurplePounce *pounce),
1029                                                           void (*free_pounce)(PurplePounce *pounce))
1030 {
1031         PurplePounceHandler *handler;
1032
1033         g_return_if_fail(ui != NULL);
1034         g_return_if_fail(cb != NULL);
1035
1036         handler = g_new0(PurplePounceHandler, 1);
1037
1038         handler->ui          = g_strdup(ui);
1039         handler->cb          = cb;
1040         handler->new_pounce  = new_pounce;
1041         handler->free_pounce = free_pounce;
1042
1043         g_hash_table_insert(pounce_handlers, g_strdup(ui), handler);
1044 }
1045
1046 void
1047 purple_pounces_unregister_handler(const char *ui)
1048 {
1049         g_return_if_fail(ui != NULL);
1050
1051         g_hash_table_remove(pounce_handlers, ui);
1052 }
1053
1054 GList *
1055 purple_pounces_get_all(void)
1056 {
1057         return pounces;
1058 }
1059
1060 GList *purple_pounces_get_all_for_ui(const char *ui)
1061 {
1062         GList *list = NULL, *iter;
1063         g_return_val_if_fail(ui != NULL, NULL);
1064
1065         for (iter = pounces; iter; iter = iter->next) {
1066                 PurplePounce *pounce = iter->data;
1067                 if (purple_strequal(pounce->ui_type, ui))
1068                         list = g_list_prepend(list, pounce);
1069         }
1070         list = g_list_reverse(list);
1071         return list;
1072 }
1073
1074 static void
1075 free_pounce_handler(gpointer user_data)
1076 {
1077         PurplePounceHandler *handler = (PurplePounceHandler *)user_data;
1078
1079         g_free(handler->ui);
1080         g_free(handler);
1081 }
1082
1083 static void
1084 buddy_state_cb(PurpleBuddy *buddy, PurplePounceEvent event)
1085 {
1086         PurpleAccount *account = purple_buddy_get_account(buddy);
1087         const gchar *name = purple_buddy_get_name(buddy);
1088
1089         purple_pounce_execute(account, name, event);
1090 }
1091
1092 static void
1093 buddy_status_changed_cb(PurpleBuddy *buddy, PurpleStatus *old_status,
1094                         PurpleStatus *status)
1095 {
1096         PurpleAccount *account = purple_buddy_get_account(buddy);
1097         const gchar *name = purple_buddy_get_name(buddy);
1098         gboolean old_available, available;
1099
1100         available = purple_status_is_available(status);
1101         old_available = purple_status_is_available(old_status);
1102
1103         if (available && !old_available)
1104                 purple_pounce_execute(account, name, PURPLE_POUNCE_AWAY_RETURN);
1105         else if (!available && old_available)
1106                 purple_pounce_execute(account, name, PURPLE_POUNCE_AWAY);
1107 }
1108
1109 static void
1110 buddy_idle_changed_cb(PurpleBuddy *buddy, gboolean old_idle, gboolean idle)
1111 {
1112         PurpleAccount *account = purple_buddy_get_account(buddy);
1113         const gchar *name = purple_buddy_get_name(buddy);
1114
1115         if (idle && !old_idle)
1116                 purple_pounce_execute(account, name, PURPLE_POUNCE_IDLE);
1117         else if (!idle && old_idle)
1118                 purple_pounce_execute(account, name, PURPLE_POUNCE_IDLE_RETURN);
1119 }
1120
1121 static void
1122 buddy_typing_cb(PurpleAccount *account, const char *name, void *data)
1123 {
1124         PurpleIMConversation *im;
1125
1126         im = purple_conversations_find_im_with_account(name, account);
1127         if (im != NULL)
1128         {
1129                 PurpleIMTypingState state;
1130                 PurplePounceEvent event;
1131
1132                 state = purple_im_conversation_get_typing_state(im);
1133                 if (state == PURPLE_IM_TYPED)
1134                         event = PURPLE_POUNCE_TYPED;
1135                 else if (state == PURPLE_IM_NOT_TYPING)
1136                         event = PURPLE_POUNCE_TYPING_STOPPED;
1137                 else
1138                         event = PURPLE_POUNCE_TYPING;
1139
1140                 purple_pounce_execute(account, name, event);
1141         }
1142 }
1143
1144 static void
1145 received_message_cb(PurpleAccount *account, const char *name, void *data)
1146 {
1147         purple_pounce_execute(account, name, PURPLE_POUNCE_MESSAGE_RECEIVED);
1148 }
1149
1150 void *
1151 purple_pounces_get_handle(void)
1152 {
1153         static int pounce_handle;
1154
1155         return &pounce_handle;
1156 }
1157
1158 void
1159 purple_pounces_init(void)
1160 {
1161         void *handle       = purple_pounces_get_handle();
1162         void *blist_handle = purple_blist_get_handle();
1163         void *conv_handle  = purple_conversations_get_handle();
1164
1165         pounce_handlers = g_hash_table_new_full(g_str_hash, g_str_equal,
1166                                                                                         g_free, free_pounce_handler);
1167
1168         purple_signal_connect(blist_handle, "buddy-idle-changed",
1169                             handle, PURPLE_CALLBACK(buddy_idle_changed_cb), NULL);
1170         purple_signal_connect(blist_handle, "buddy-status-changed",
1171                             handle, PURPLE_CALLBACK(buddy_status_changed_cb), NULL);
1172         purple_signal_connect(blist_handle, "buddy-signed-on",
1173                                                 handle, PURPLE_CALLBACK(buddy_state_cb),
1174                                                 GINT_TO_POINTER(PURPLE_POUNCE_SIGNON));
1175         purple_signal_connect(blist_handle, "buddy-signed-off",
1176                                                 handle, PURPLE_CALLBACK(buddy_state_cb),
1177                                                 GINT_TO_POINTER(PURPLE_POUNCE_SIGNOFF));
1178
1179         purple_signal_connect(conv_handle, "buddy-typing",
1180                                                 handle, PURPLE_CALLBACK(buddy_typing_cb), NULL);
1181         purple_signal_connect(conv_handle, "buddy-typed",
1182                                                 handle, PURPLE_CALLBACK(buddy_typing_cb), NULL);
1183         purple_signal_connect(conv_handle, "buddy-typing-stopped",
1184                                                 handle, PURPLE_CALLBACK(buddy_typing_cb), NULL);
1185
1186         purple_signal_connect(conv_handle, "received-im-msg",
1187                                                 handle, PURPLE_CALLBACK(received_message_cb), NULL);
1188
1189         purple_pounces_load();
1190 }
1191
1192 void
1193 purple_pounces_uninit()
1194 {
1195         if (save_timer != 0)
1196         {
1197                 purple_timeout_remove(save_timer);
1198                 save_timer = 0;
1199                 sync_pounces();
1200         }
1201
1202         purple_signals_disconnect_by_handle(purple_pounces_get_handle());
1203
1204         g_hash_table_destroy(pounce_handlers);
1205         pounce_handlers = NULL;
1206 }